ConfigCat vs AB Tasty
Feature checklists rarely decide anything. What decides it is the pricing metric, who has to write the tests, and which limitation you can live with.
Entry price
From $110 per month (Pro)
Free tierQuote on request
Quote onlyWhat drives the bill
The metric that actually scales your invoice.
Plans run Free, Pro $110, Smart $325, Enterprise $900 and Dedicated $4,500 a month. Unlimited seats and unlimited flag reads on every plan, including free — unusual and genuinely valuable for wide access; paid tiers mainly raise flag, environment and product limits.
Quote-based annual contracts priced by traffic volume, now sold as part of the merged Wingify platform.
Free tier
Free forever plan with a monthly config-request allowance and unlimited members.
No free tier; demo on request.
Open source
Self-hostable
No-code authoring
Languages
Platforms
Fits teams
Adoption
Established
ConfigCat · since 2018
Established
Wingify (VWO + AB Tasty) · since 2009
Strengths
- Unlimited team members at every tier, so product and support can toggle flags too.
- Very simple to adopt — an afternoon, not a project.
- Broad SDK coverage including Dart and Elixir.
- EU hosting and GDPR posture simplify European procurement.
- Good balance between marketer-friendly editing and server-side flags.
- Strong support reputation in European markets.
Limitations
- No experimentation or analytics to speak of.
- Limited targeting sophistication compared to LaunchDarkly.
- Small vendor.
- Less well known outside Europe, with a smaller partner ecosystem.
- Quote-based pricing with no self-serve entry.
- Statistics engine is less differentiated than the warehouse-native platforms.
Best for
Teams that want simple, cheap flags accessible to the whole company.
European e-commerce and media companies with GDPR-driven vendor requirements.
All of these integrate with: Slack.
Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.